Solving Quadratics REVIEW

Factor

30p + 36

• 5p + 6

• 6(5p + 6)

• 2(15p + 18)

• 6

Factor

-16x^2 + 24x - 36

• 4(-4x^2 + 6x - 9)

• PRIME

• -2(8x^2 + 12x - 18)

• (4x - 6)(4x + 6)

Factor completely:

3n^2 - 11n - 4

• (3n + 1)(n - 4)

• (n + 3)(-4n + 1)

• PRIME

• (n + 1)(3n - 4)

Factor completely:

2v^2 + 13v + 18

• (2v + 9)(v + 2)

• (2v + 1)(v + 9)

• PRIME

• (v + 4)(v + 6)

Factor completely:

4k^2 - 36

• (2k + 6)(2k - 6)

• (2k - 6)^2

• PRIME

• (2k + 6)^2

Factor completely:

9x^2 - 48x + 64

• (3x - 8)(3x + 8)

• (3x - 8)^2

• PRIME

• (3x + 8)^2

Solve

(3r + 4)(5r + 1) = 0

• r = {-4/3, -1/5}

• r = {1/4, 2/3}

• No Real Solutions

• r = {4/3, 5}

Solve

(n - 5)(n + 7) = 0

• n = {-7, 5}

• n = (-7, 5)

• No Real Solutions

• n = {7/5}

Solve by factoring

30n^2 + 18n = 0

• n = 0

• n = {-3/5, 0}

• No Real Solutions

• n = 3/5

Solve by factoring

3r^2 - 7r + 2 = 0

• r = {1/3, 2}

• r = {2, 5}

• No Real Solutions

• r = 0